Natural selection theory

NATURAL SELECTION THEORY

  • Jerne (1955) postulated natural selection theory.
  • According to this about a million of globulin (antibody) with all specificities are formed in embryonic life.
  • When an antigen enters, it combines with complementary antibody and the complex home to the antibody producing cells.
  • It stimulates the cells to synthesize the same kind of antibody.
  • But it failed to explain immunological memory.
Last modified: Thursday, 26 August 2010, 6:39 AM